Singlebrook is a custom web and mobile development firm based in Ithaca, NY. We build web and mobile software for universities, startups and social enterprises in Drupal and Ruby on Rails. Singlebrook is a certified Woman-Owned Business and a certified B Corp. We’re part of a growing movement of companies using the power of business for social good. Clients include the Sierra Club, Cornell University, University of New England, the Environmental Defense Fund, Peeled Snacks, RSF Social Finance, Earthcolor and the Social Venture Network.